Improvement in the construction of car-axles and shafts



'UNITED STATES PATENT OFFICE.

JAMES MONTGOMERY, OF CROTON LANDING, NEW YORK.

IMPROVEMENT IN THE CONSTRUCTION OF CAR-AXLES AND SHAFTS.

Specification forming part of Letters Patent No. 111,862. dated February 14l 1371- To all 'ich/0m it may concern:

Be it known that I, JAMES MONTGOMERY, of' Groton. Landing, county of Westchester, and State oll New York, have invented certain Improvements in lgtailway-Oar Axles, Ste.; and I do hereby declare that the following, taken in connection with the drawing which accompanies and Afornis part or -his specification, is a description ofiny invention surlicient to enable those skilled in the arr o iiractice it.

The object of niy invention .s ro diminish materially the dangers incident to railwayv travel by furnishing an axle of essentiallyY dil'- l'ei'enl structure and character from anyv hereloioi-e unown to ine. .ini vineh. ls compared willi llilfni, has *airenier fi'enu'in. ess ria bility to bend unllli' 'w l'essiii'll i nll Aoall. lessl'iiltioiial weariiion is oui'iialsanll JoXcS. is less snliieei o laniage reni orsion` and which will also redini-ll nanv 'inies '.ne isiial lllllL E() lllIl lll) \\'ll(ll "lllllllll' LE lIlQll sllQ/C. innlconselnienllx reduire ess uoiicatniu` mattei'D ll: liOllSlStS lll lldklllLY lll lXlC llUllldl1 throughout, the bore oi the :une being ribbed lengthwise, and the periphery of the axle haw ing longitudinal strengthening ribs or wings throughout its whole length. r -lxcent at or near its ionrnals.

ln the drawing accompanying ind mauing part of the Specification. Figure l represents an axleinaile in tiiioiiiain-e inn :nviireseiit 1nyMention: Fig. 5. one l-n i i no saine oi iuli size: and Figs. l and l., ,l `'rossisection. exnilnting1 nioi'e closely The loi-in inll 'naracter or the inner ribs oi' wings nifl `l 'ie nt-er wings or i'llis. lFig. l) eili'esllnis ie or rialiinLr \i*iouglitii'oi1 axles iii-evi i'oin 'nilillle-oalls or wi-oiiglitiron ragots i illes.

l As the axle: il il. Ls niernai iorruga- `ions; l l), its outer trengtnening rios or wings, and l) its iournal.

` make my axles t ngotsteel. caststeei. `miairsteel, or other suitable material. and in he ibllowing manner: i :i1-st provide a maiiilrel, corrugated lengthwise uiion its surtace. lts size and the number and form ot its corrugations correspondi'ng` with those which l wish to produce within the hollow axlen `lhe holly ni inelal lo he rolled .nto an axle l iirst lorin lnl'o un ingot or hollow iagot. llhis iiigot or steel or lagot or' iron is talten lrom. the reheatin g-furnace or from the iugot-mold, as the case may be, and introduced between the rolls of the rolling-mill, and as the revolutions of the rolls carry it through to the opposite side of the rolls its forward end passes to and upon the end of the mandrel above mentioned, the end of the mandrel being so situated as to receive it with certainty; and for this purpose it maybe located at the bite of the rollers or project through the grooves of the rolls, it being` understood that in all cases the mandrel is stationarv when in action, and securely fixed in nosition 1n anv Known manner, so as to be alile to resist tne pressure without disturbing` ES OhlllOll,

.lanci-el as above described is placed in caen l nese rrooves. and these inaiidrels snouill .til he substantially alike, so far as their diameter and their ribs or wings are concerned, inasmuch as the size ofthe corrugated bore of line s niot zo oe reduced during the process iI rolling. .engtlieniug, and reducing the metal y)i vnicn it is composed. By this mode l rmi :nent ,i uan ged or winged tubeisi'orined nu .s aen uter rio opposite a cavity, so inai: 'ne nner rios and the outer ones alternate `n iositionl anu are not in line with each Inner ne consequence or this arrangement s. nat aen inter rio is oraced or supported ov .uliaccnt inner ones, and each inner one by two Lillnacent outer ones.

`anrnals are iormed upon the axle by means or a nowerhammer. there by relinin g the metal, a mandrel in sucn case being used to prevent crushing :u me nollow interior.

2 Sheets-Sheet. 1.

, S. MOORE. MANUPAGTURE 0F sHoB SHANKS.

No. 111,863. Patented Peb. 14. 1871. 

